or society becomes more and more self censoring if your thesis was true we should seen a decline in say drug testing for standard non sensitive jobs already.
Drugs are illegal. The fact that the war on drugs is waged disproportionally towards the poor does not make them legal in the places and social classes where it is relatively safe to get stoned.
But see what happened with nudity and the stigma. Once a nipple slip was a big deal. Nowadays a celebrity sex tape is welcomed with boredom. And there is hardly a person without someone else voluntarily sent naked pic on the smartphone. And when they leak it is usually meh
